Denture brush



FIG. 1 is a perspective view illustrating our design for a denture brush.

FIG. 2 is another perspective view thereof.

FIG. 3 is a right-side view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is a left-side view thereof.

FIG. 6 is a front view thereof.

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof. 

CLAIM The ornamental design for a denture brush, as shown and described. 